149879560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{42101}}^1$

素因数の和:42201

約数の個数: 32

約数和(自身を含む): 341026200

約数和(自身を除く): 191146640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 42101, 84202, 168404, 210505, 336808, 421010, 842020, 1684040, 3746989, 7493978, 14987956, 18734945, 29975912, 37469890, 74939780, 149879560]

約数ペア:

[(1, 149879560), (2, 74939780), (4, 37469890), (5, 29975912), (8, 18734945), (10, 14987956), (20, 7493978), (40, 3746989), (89, 1684040), (178, 842020), (356, 421010), (445, 336808), (712, 210505), (890, 168404), (1780, 84202), (3560, 42101)]